Laserfiche WebLink
1 <br /> DRAINAGE PLAN SUBMISSION FORM • <br /> I <br /> (see Ordinance 514-78) <br /> NAME OF APPLICANT HAGGENS, •INC. • <br /> • <br /> APRESS OF APPLICANT,11 . . P.O. Box 489, Bellingham; Washington 98227 • <br /> • <br /> • <br /> SUBMITTED BY . . . BARGHAUIS.EN CONSULTING ENGINEERS, INC. • <br /> . (Agent for the Applicant; . <br /> PROPERTY LOCATION Everett Mall Plaza ' ' ' .. <br /> Everett, Washington . <br /> • <br /> ZONING OF SITE: . . • . ' ' AREA OF SITE: 10:0 acres = <br /> AREA OF CONTRIBUTING .CATCHMENT:. .10.00 acres - • • ' ' <br /> I <br /> t PRE-DEVELOP1NT CONDITIONS _ - <br /> Runoff Coefficient •' •• - o.i0 <br /> ?s : <br /> I _ Time of Concentration <br /> 24.2 <br /> • <br /> . . Rainfall Intensity . • 1..7 • n/' <br /> hr <br /> I 1.17 Allowable release ;rate, •cfs <br /> POST-DEVELOPMENT.CONDITION: •• - - : . <br /> I - • • . • Runoff Coefficient ' 0.82-' • <br /> v . •tip Design. Storm 25 yr. <br /> • <br /> _. DETENTION STORAGE REQUIRED: 2,3,878 . <br /> V <br /> c.feE <br /> I <br /> ORIFICE: - , <br /> ,'., DIAMETER '` 3.90 inches <br /> .y. <br /> • <br /> HEAD 8.34 • feet . <br /> OUTLET'PIPE: <br /> DIAMETER 18 inches .. . <br /> •I p • • • SLOPE • 1.0 feet per hundred feet <br /> CAPACITY 11.4 • cubic feet per second. <br /> RISER r7 h . <br /> {`: . DIAMETER 15 inches. _ <br /> `.� '•, ., CAPACITY 15 7 • cubic,;,feet: •per. seco-• Sit,;;,* �., <br /> ti J <br /> t ..j •`L 1) .'C St =" :.i• -�tl_ . ia:; <br /> I <br /> ;; •''•'`4�. t •i, •-•,- 4 i• •{' k-- Y Jt • <br /> -."-'., ±4w It 77.. <br /> t i y. ). xkA•' cc:cc:-- f, O.c •obey':'l3•, .1983 �' ,, <br /> I S nature• of •applicant • - . • date a• - <br /> t • • Y. i.,t• <br /> •.DEPARTMENT•.`OF PUBLIC WORKS -APPROVAL PLAN NO. • <br /> ION SITE DETENTION •REQUIREMENTS: . c.feet <br /> • <br /> DRAINAGE PLAN APPROVED BY: DATE: • • <br /> 11-{ <br />